230 lines
7.9 KiB
C++
230 lines
7.9 KiB
C++
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/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1991 **/
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/**********************************************************************/
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/*
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lmsvc.hxx
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This file contains the class defintion for the LM_SERVICE class
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FILE HISTORY:
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ChuckC 19-Aug-1991 Created
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ChuckC 23-Sep-1991 Code review changes.
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Attended by JimH, KeithMo, EricCh, O-SimoP
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terryk 07-Oct-1991 types changes for NT
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terryk 17-Oct-1991 Add a destructor and change variable
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to pointer
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terryk 21-Oct-1991 change _pBuffer to BYTE * type
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*/
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#ifndef _LMSVC_HXX_
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#define _LMSVC_HXX_
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#include "base.hxx"
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#include "string.hxx"
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#include "uibuffer.hxx"
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/*
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* status of the service
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*/
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enum LM_SERVICE_STATUS
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{
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LM_SVC_STATUS_UNKNOWN,
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LM_SVC_STARTED,
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LM_SVC_STOPPED,
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LM_SVC_PAUSED,
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LM_SVC_STARTING,
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LM_SVC_STOPPING,
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LM_SVC_PAUSING,
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LM_SVC_CONTINUING
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} ;
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/*
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* other (secondary) status
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*/
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typedef struct {
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BOOL fUnInstallable;
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BOOL fPauseable;
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BOOL fRdrDiskPaused;
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BOOL fRdrPrintPaused;
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BOOL fRdrCommPaused;
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BOOL fHint;
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ULONG ulSecCode;
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ULONG ulCheckPointNum;
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ULONG ulWaitTime; // in milliseconds
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APIERR errExit;
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APIERR errSpecific;
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} LM_SERVICE_OTHER_STATUS ;
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#define DEFAULT_MAX_TRIES 10
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#define DEFAULT_SLEEP_TIME 3000
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/*************************************************************************
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NAME: LM_SERVICE
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SYNOPSIS: class for controlling/querying Lan Manager services.
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All Query methods return current status by querying the
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service. No information is cached. All control operations
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are asynchronous, ie. they return immediately, possibly
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before the service achieves the desired state.
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INTERFACE:
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Start() - Start the service. Returns NERR_Success if
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successful, API error otherwise.
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Pause() - Pause the service. Returns NERR_Success if
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successful, API error otherwise.
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Continue() - Continue the service. Returns NERR_Success if
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successful, API error otherwise.
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Stop() - Stop the service. Returns NERR_Success if
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successful, API error otherwise.
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Poll() - Polls the service to see if one of the
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above operations has completed.
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IsStarted() - Returns TRUE if service is started, FALSE
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otherwise.
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IsPaused() - Returns TRUE if service is paused, FALSE
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otherwise.
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IsStopped() - Returns TRUE if service is stopped (ie. not
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installed), FALSE otherwise.
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IsStarting() - Returns TRUE if service is starting, FALSE
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otherwise.
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IsPausing() - Returns TRUE if service is pausing, FALSE
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otherwise.
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IsStopping() - Returns TRUE if service is stopping, FALSE
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otherwise.
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IsContinuing() - Returns TRUE if service is continuing, FALSE
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otherwise.
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IsInstalled() - Returns TRUE if service is not stopped, FALSE
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otherwise. Identical to !IsStopped().
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QueryStatus() - Returns LM_SERVICE_STATUS enumeration.
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QueryFullStatus() - Returns LM_SERVICE_STATUS enumeration and
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additional info like hints, checkpoint, etc.
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QueryName() - Returns TCHAR * to service name.
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QueryServerName() - Returns TCHAR * to server of focus.
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PARENT: BASE
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USES:
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CAVEATS:
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NOTES:
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NetServiceGetInfo() is not used, we only do NetServiceControl(),
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even to query status. By doing so, we are less efficient but
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more accurate, since GetInfo() just looks at last recorded status
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whereas Control() goes out to ask the service. If we need fast
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Querys, we may revisit this.
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HISTORY:
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ChuckC 19-Aug-1991 Created
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KeithMo 30-Sep-1991 Moved polling logic from UI_SERVICE
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to LM_SERVICE.
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**************************************************************************/
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DLL_CLASS LM_SERVICE : public BASE
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{
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public:
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APIERR Start( const TCHAR * pszArgs = NULL,
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UINT uiSleepTime = DEFAULT_SLEEP_TIME,
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UINT uiMaxTries = DEFAULT_MAX_TRIES );
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APIERR Pause(UINT uiSleepTime = DEFAULT_SLEEP_TIME,
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UINT uiMaxTries = DEFAULT_MAX_TRIES ) ;
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APIERR Continue(UINT uiSleepTime = DEFAULT_SLEEP_TIME,
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UINT uiMaxTries = DEFAULT_MAX_TRIES ) ;
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APIERR Stop(UINT uiSleepTime = DEFAULT_SLEEP_TIME,
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UINT uiMaxTries = DEFAULT_MAX_TRIES ) ;
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APIERR Poll(BOOL * pfDone);
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BOOL IsStarted(APIERR *pErr = NULL) ;
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BOOL IsPaused(APIERR *pErr = NULL) ;
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BOOL IsStopped(APIERR *pErr = NULL) ;
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BOOL IsInstalled(APIERR *pErr = NULL) { return(!IsStopped(pErr)) ; }
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BOOL IsStarting(APIERR *pErr = NULL) ;
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BOOL IsPausing(APIERR *pErr = NULL) ;
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BOOL IsStopping(APIERR *pErr = NULL) ;
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BOOL IsContinuing(APIERR *pErr = NULL) ;
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LM_SERVICE_STATUS QueryStatus(APIERR *pErr = NULL) ;
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const TCHAR *QueryName(VOID) const {return _nlsService.QueryPch() ;}
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const TCHAR *QueryServerName(VOID) const {return _nlsServer.QueryPch() ;}
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APIERR QueryFullStatus(LM_SERVICE_STATUS *pSvcStat,
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LM_SERVICE_OTHER_STATUS *pSvcOtherStat);
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LM_SERVICE(const TCHAR *pszServer, const TCHAR *pszServiceName) ;
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~LM_SERVICE();
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APIERR QueryExitCode( VOID ) const;
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APIERR QuerySpecificCode( VOID ) const
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{ return _errSpecific; }
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BOOL IsWellKnownService( VOID ) const
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{ return _fIsWellKnownService; }
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protected:
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APIERR SetName(const TCHAR *pszServiceName) ;
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APIERR SetServerName(const TCHAR *pszServerName) ;
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private:
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BYTE * _pBuffer ;
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ULONG _ulServiceStatus ;
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ULONG _ulServiceCode ;
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LM_SERVICE_STATUS _svcStat ;
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DECL_CLASS_NLS_STR(_nlsService,SNLEN) ;
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DECL_CLASS_NLS_STR(_nlsServer,MAX_PATH) ;
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UINT _uiMaxTries;
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UINT _uiCurrentTry;
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UINT _uiSleepTime;
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ULONG _ulOldCheckPoint;
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LM_SERVICE_STATUS _lmsvcDesiredStat;
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LM_SERVICE_STATUS _lmsvcPollStat;
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APIERR _errExit;
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APIERR _errSpecific;
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BOOL _fIsWellKnownService;
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APIERR W_QueryStatus(LM_SERVICE_STATUS *pSvcStat,
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LM_SERVICE_OTHER_STATUS *pSvcOtherStat = NULL);
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APIERR W_ServiceStart( const TCHAR * pszArgs ) ;
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APIERR W_ServiceControl(UINT opcode, UINT fbArg = 0) ;
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VOID W_InterpretStatus( const service_info_2 * psvi2,
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LM_SERVICE_STATUS * pSvcStat,
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LM_SERVICE_OTHER_STATUS * pSvcOtherStat );
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VOID W_ComputeOtherStatus(LM_SERVICE_OTHER_STATUS *pSvcOtherStat);
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BOOL W_IsWellKnownService( VOID ) const;
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};
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#endif // _LMSVC_HXX_
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